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Synthesis and regioselectivity of the [3,3]-sigmatropic rearrangement of substituted 2-allylthio- and 2-allylseleno-1,4-dihydropyridines

✍ Scribed by V. P. Litvinov; Yu. A. Sharanin; M. P. Goncharenko; V. D. Dyachenko; A. M. Shestopalov

Book ID: 111929380
Publisher: Springer
Year: 1991
Tongue: English
Weight: 561 KB
Volume: 40
Category: Article
ISSN: 1573-9171
DOI: 10.1007/bf01172273

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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

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## Abstract magnified image A number of 4‐aryloxymethyl‐6‐phenyl‐2__H__‐pyrano[3,2‐__c__][1,8]naphthyridin‐5(6__H__)‐ones (**4a‐f**) are regioselectively synthesized in 72‐78% yield by the Claisen rearrangement of 4‐(4′‐aryloxybut‐2′‐ynyloxy)‐1‐phenyl‐1,8‐naphthyridin‐2(1__H__)‐ones (**3a‐f**) in